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Finding the Fourth Proportional to 262,955.52, 394,094.40 and 229,084.56

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Solution

The fourth proportional to 262,955.52, 394,094.40 and 229,084.56 is: 343,331.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,955.52 : 394,094.40 = 229,084.56 : x
  2. Step 2: Convert to fraction form
    262,955.52/394,094.40 = 229,084.56/x
  3. Step 3: Cross multiply
    262,955.52x = 394,094.40 × 229,084.56
  4. Step 4: Simplify right side
    262,955.52x = 90,280,942,222.46
  5. Step 5: Solve for x
    x = 90,280,942,222.46/262,955.52
  6. Step 6: Final answer
    x = 343,331.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.